方程式系 ワークシート

x + y = 3, x − y = -1 → x = ____, y = ____

8x + 1y = 17, x = 2 → y = ____

1x + 4y = 45, x = 9 → y = ____

7x + 7y = 56, x = 6 → y = ____

x + y = 13, x − y = -5 → x = ____, y = ____

8x + 9y = 34, x = 2 → y = ____

x + y = 10, x − y = 0 → x = ____, y = ____

4x + 9y = 60, x = 6 → y = ____

1x + 5y = 24, x = 4 → y = ____

6x + 1y = 50, x = 7 → y = ____

4x + 4y = 24, x = 1 → y = ____

5x + 4y = 39, x = 7 → y = ____

8x + 6y = 78, x = 6 → y = ____

8x + 8y = 16, x = 1 → y = ____

x + y = 5, x − y = -1 → x = ____, y = ____

1x + 1y = 10, x = 2 → y = ____

x + y = 6, x − y = 2 → x = ____, y = ____

x + y = 16, x − y = 2 → x = ____, y = ____

x + y = 14, x − y = -2 → x = ____, y = ____

x + y = 6, x − y = -2 → x = ____, y = ____